LifeVac, LLC vs. DCStar Inc.

Explore the PTAB proceeding IPR2025-00454 filed by LifeVac, LLC on 2025-01-31. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00454

Filing Date

2025-01-31

Accorded Filing Date

2025-01-31

Institution Decision Date

2025-09-08

Last Modified Date

2025-10-09

Proceeding Type

IPR

Termination Date

2025-09-08

Trial Status

Institution Denied

Parties & Counsel

Petitioner

LifeVac, LLC

Represented By

Muldoon, Patricket al

Patent Owner / Respondent

DCStar Inc.

Represented By

Krieger, Justinet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 3700 - Mechanical Engineering & Manufacturing

Patent Information

1 Patent Involved

Respondent Application Number 17393249

Respondent Patent Number 11478575

External Links

Espacenet

Google Patents

Respondent Inventor Ligui HE

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

13 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name HSML P.C.

Customer Number 52835

Address 45 South Seventh Street, Suite 2700, MINNEAPOLIS, MN, 55402-1683, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
29555	Michael Lasky	404-441-1750
30300	Douglas Mueller	612-455-3800
38222	David Lee	612-455-3841
39667	Sandra Epp Ryan	612-455-3845
50836	Bryan Wong	612-455-3811
63975	Amol Kavathekar	612-455-3800
66396	Thomas Lee	612-455-3844
67349	Yuhgo Maruta	612-455-3822
70057	Masako Yoshida	612-455-3814
71641	Rong Yang	612-455-3800
73969	Anthony Marshik	612-455-0392
75642	Bing Yang	612-455-3819
77835	Naoko Koyano	612-455-3848

Proceeding Documents

DECISION Denying Institution of Inter Partes Review 35 U.S.C. § 314 DECISION

2025-09-08 FILING PARTY: BOARD

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3001

EX. 3001 Exhibit

2025-09-08 FILING PARTY: BOARD

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Patent Owner's Sur-Reply to Petitioner's Reply to Patent Owner's Preliminary Response OTHER

2025-08-05 FILING PARTY: PATENT OWNER

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Petitioner's Reply to Patent Owner's Preliminary Response OTHER

2025-07-29 FILING PARTY: PETITIONER

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Director Discretionary Decision: Refer RESPONSE

2025-07-11 FILING PARTY: BOARD

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LifeVac, LLC vs. DCStar Inc.

Proceeding Overview

Parties & Counsel

Petitioner

LifeVac, LLC

Represented By

Patent Owner / Respondent

DCStar Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

DECISION Denying Institution of Inter Partes Review 35 U.S.C. § 314 DECISION

EX. 3001 Exhibit

Patent Owner's Sur-Reply to Petitioner's Reply to Patent Owner's Preliminary Response OTHER

Petitioner's Reply to Patent Owner's Preliminary Response OTHER

Director Discretionary Decision: Refer RESPONSE

Patent Owner Updated Mandatory Notices NOTICE

Ex. 2020 - IDEAR Amazon Listing Exhibit

Ex. 2027 - Business Profile of RAM.SHAW Exhibit

Ex. 2026 - Share Certificate of RAM.SHAW Exhibit

Ex. 2029 - DCSTAR INC. and Ligui He Product Co - Development Agreement Exhibit

Ex. 2022 - Declaration of David Luo Exhibit

Ex. 2028 - Cooperation Agreement Between DCSTAR & RAM.SHAW Exhibit

Patent Owner Preliminary Response POPR

Ex. 2024 - Certificate of Incumbency of DCSTAR Inc Exhibit

Ex. 2023 - Amazon.com Seller Profile_ Cultures Inc. Exhibit

Ex. 2021 - Wayback Machine IDEAR Amazon Listing (ASIN B093NZN5C7) Exhibit

Ex. 2025 - Certificate Confirming Incorporation of RAM.SHAW Exhibit

Petitioner's Opposition to PO's Request for Discretionary Denial RESPONSE

U.S. Patent No. 3,939,830 (Costa) (Google Patents) Exhibit

Patent Owner Exhibit List NOTICE

First cease and desist letter Exhibit

Cultures Inc. Amazon Profile Exhibit

IDEAR Trademark Exhibit

IDEAR Amazon listing Exhibit

Chinese Patent No. 112,932,633 (Zhongnan) (Google Patents) Exhibit

Prosecution history index for Zhongnan Exhibit

IDEAR reference Exhibit

Zhongnan CNIPA Supplementary Search Exhibit

Patent Owner Brief in Support of Discretionary Denial RESPONSE

Declaration of Ligui He Exhibit

Second cease and desist letter Exhibit

PCT Appl. No. WO2015167709A1 (Lih) (Google Patents) Exhibit

Declaration of RAM.SHAW PTE.LTD Exhibit

U.S. Patent No. 10,052,115 (Lih) (Google Patents) Exhibit

Petitioner’s prior PGR Petition (PGR2023-00032) Exhibit

Korean Patent No. 102,229,619 (Yuchang) (Google Patents) Exhibit

U.S. Patent No. 4,971,053 (Tarrats) (Google Patents) Exhibit

IDEAR reference (Ex. 2004) Annotated Exhibit

U.S. Patent No. 11,478,575 (Google Patents) Exhibit

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

EX-1007 Korean Patent Publication KR1020200102780A (Bae) Exhibit

EX-1009 EN Translation with Certification for KR102229619 Exhibit

EX-1010 Chinese Patent Publication CN110566698 A (Changzhon) Exhibit

EX-1005 EN Translation with Certification for CN112932633A Exhibit

EX-1017 Resuscitation of choking victims in a pediatric population using a Exhibit

EX-1008 Korean Patent Publication KR 102229619B (Yuchang) Exhibit

EX-1002 File History of '575 Patent Exhibit

EX-1003 Declaration of Petitioner's Expert Stanley M. Yamashiro Exhibit

EX-1001 U.S. Patent No. 11,478,575 Exhibit

EX-1013 U.S. Patent Application Publication US 20060260617 A1 (Abolfathi) Exhibit

EX-1018 U.S. Patent No. US 10,052,115 to Lih (Lih) Exhibit

EX-1016 Home Kit + Travel Kit Bundle Image Exhibit

EX-1012 U.S. Patent No. 9714714 (Daansen) Exhibit

Notice: Power of Attorney NOTICE

Petition: as filed PETITION

EX-1004 Chinese Patent Publication CN112932633A (Zhongnan) Exhibit

EX-1015 U.S. Patent No. 5,722,394 Exhibit

EX-1006 U.S. Patent Application Publication US 20200306420 A1 (Carver) Exhibit